#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int t;
    cin >> t;
    while(t--){
        int a, b, c, d;
        cin >> a >> b >> c;
        d = abs(c-(a+b));
        cout << d << endl;
    }
    return 0;
}